Delete the word to the beginning

`Ctrl` + `⬅ Backspace`

All hotkeys for Delphi

General Selects parent control in design mode. Left mouse click + Escape drags the parent control	`Esc`
General After selecting control in form designer, click on it with Shift again to select top most parent Form	`↑ Shift` + `Mouse left click`
General In Object Inspector activates incremental search for properties. Press again Tab to move focus to property value	`⭾ Tab`
General Invoke code templates also called code snippets	`Ctrl` + `J`
General Delete text from cursor position until end of word	`Ctrl` + `T`
General Incremental search	`Ctrl` + `E`
General Delete current line	`Ctrl` + `Y`
General Invoke buffer window when focus is on editor. The buffer window shows a list of all different tabs.	`Ctrl` + `B`
General Insert a new GUID at the cursor position	`Ctrl` + `↑ Shift` + `G`
General Indent the current selected block	`Ctrl` + `↑ Shift` + `I`
General Unindent the current selected block	`Ctrl` + `↑ Shift` + `U`
General Indent the current selected block or current line in case of no selection	`Ctrl` + `K` + `I`
General Unindent the current selected block or current line in case of no selection	`Ctrl` + `K` + `U`
General Invoke SyncEdit	`Ctrl` + `↑ Shift` + `J`
General Automatically declare variable at cursor position	`Ctrl` + `↑ Shift` + `V`
General Delete to the end of line	`Ctrl` + `↑ Shift` + `Y`
General Match pair forward	`Alt` + `[`
General Match pair backward	`Alt` + `]`
General Browse forward (hotlink history)	`Alt` + `→`
General Browse backward (hotlink history)	`Alt` + `←`
General Browse to symbol under editor cursor (invoke a hotlink and add it to the hotlink history)	`Alt` + `↑`
General Run program to current cursor position	`F4`
General Toggle breakpoint	`F5`
General Debugger step into	`F7`
General Trace into next source line	`↑ Shift` + `F7`
General Debugger step over	`F8`
General Run until return	`↑ Shift` + `F8`
General Run program under debugger	`F9`
General Program Reset	`Ctrl` + `F2`
General Evaluate/modify	`Ctrl` + `F7`
General Add Watch	`Ctrl` + `F5`
General View units	`Ctrl` + `F12`
General Goto line number in editor	`Alt` + `G`
General Goto line number in editor	`Ctrl` + `O` + `G`
General Start/stop recording editor macro	`Ctrl` + `↑ Shift` + `R`
General Play editor macro	`Ctrl` + `↑ Shift` + `P`
General Invoke code completion	`Ctrl` + `Space`
General Invoke code parameter hints	`Ctrl` + `↑ Shift` + `Space`
General Open file at cursor	`Ctrl` + `⤶ Enter`
General Find all references	`Ctrl` + `↑ Shift` + `⤶ Enter`
General Invoke class completion for the class that currently contains the cursor	`Ctrl` + `↑ Shift` + `C`
General Navigate to method implementation/declaration	`Ctrl` + `↑ Shift` + `↑`
General Navigate to method implementation/declaration	`Ctrl` + `↑ Shift` + `↓`
General Set a bookmark at current row in the source	`Ctrl` + `↑ Shift` + `1` - `9`
General Go to a bookmark row in the source	`Ctrl` + `1` - `9`
General Opens the drop-down on the top-right corner of the code editor, listing all open files	`Ctrl` + `Alt` + `F12`
General Wheel Navigate to previous or next method implementation in lexical order in this source unit, or within the class to which scope has been limited using Ctrl + Q + L	`Ctrl` + `Alt` + `Mouse movement`
General Navigate to previous method implementation in lexical order in this source unit, or within the class to which scope has been limited using Ctrl + Q + L	`Ctrl` + `Alt` + `↑`
General Navigate to next method implementation in lexical order in this source unit, or within the class to which scope has been limited using Ctrl + Q + L	`Ctrl` + `Alt` + `↓`
General Navigate to the lexically first method implementation in this source unit, or within the class to which scope has been limited using Ctrl + Q + L	`Ctrl` + `Alt` + `Home`
General Navigate to the lexically last method implementation in this source unit, or within the class to which scope has been limited using Ctrl + Q + L	`Ctrl` + `Alt` + `End`
General Activate the Tool Palette in filtering mode (start typing, press Enter to drop component)	`Ctrl` + `Alt` + `P`
General Adds current date to source code	`Ctrl` + `Alt` + `A`
General Toggle comment per line or selected block and cursors goes down one line, Ctrl + # on nordic (and perhaps other international ) keyboards	`Ctrl` + `/`
General Add todo list item	`Ctrl` + `↑ Shift` + `T`
General Toggle between Form as text mode or design mode	`Alt` + `F12`
General Invoke Use unit dialog	`Alt` + `F11`
General Invoke Open Project Dialog	`Ctrl` + `F11`
General Invoke Project manager window	`Ctrl` + `Alt` + `F11`
General Invoke Object Inspector window	`F11`
General Toggle between code view and design view	`F12`
General Invoke Window list	`Alt` + `0`
General Invoke Structure window	`↑ Shift` + `Alt` + `F11`
General Invoke Browser window	`Ctrl` + `↑ Shift` + `B`
General Invoke Breakpoint window	`Ctrl` + `Alt` + `B`
General Invoke Call Stack window	`Ctrl` + `Alt` + `S`
General Invoke Watches window	`Ctrl` + `Alt` + `W`
General Invoke Local Variables window	`Ctrl` + `Alt` + `L`
General Invoke Threads window	`Ctrl` + `Alt` + `T`
General Invoke FPU window	`Ctrl` + `Alt` + `F`
General Invoke CPU window	`Ctrl` + `Alt` + `C`
General Invoke Event window	`Ctrl` + `Alt` + `V`
General Invoke Modules window	`Ctrl` + `Alt` + `M`
General Invoke Forms window	`↑ Shift` + `F12`
General Invoke Add to uses clause(Find unit in Delphi 2006) window (Refactoring)	`Ctrl` + `↑ Shift` + `A`
General Invoke Project Options window	`Ctrl` + `↑ Shift` + `F11`
General Compile Project	`Ctrl` + `F9`
General Build Project	`↑ Shift` + `F9`
General Invoke Add to project window	`↑ Shift` + `F11`
General Run without debugging	`↑ Shift` + `Ctrl` + `F9`
General Find	`Ctrl` + `F`
General Find in Files	`↑ Shift` + `Ctrl` + `F`
General Previous/next result (for Find in Files and Build Error Messages)	`Alt` + `F7`
General Changes a word to lowercase and deselects selection	`Ctrl` + `K` + `E`
General Changes a word to uppercase and deselects selection	`Ctrl` + `K` + `F`
General Changes a word to lowercase	`Ctrl` + `K` + `O`
General Changes a word to uppercase	`Ctrl` + `K` + `N`
General Toggles case	`Ctrl` + `O` + `U`
General Toggles Code folding between On and Off	`Ctrl` + `↑ Shift` + `K` + `O`
General Code folding: Expands All blocks of code	`Ctrl` + `↑ Shift` + `K` + `A`
General Code folding: Collapse current block of code	`Ctrl` + `↑ Shift` + `K` + `E`
General Code folding: Expand current block of code	`Ctrl` + `↑ Shift` + `K` + `U`
General Code folding: Toggle Current block (expand & collapse)	`Ctrl` + `↑ Shift` + `K` + `T`
General Code folding: Collapses all regions {$region 'comment'}..{$endregion}	`Ctrl` + `↑ Shift` + `K` + `R`
General Code folding: Collapse nested procedures	`Ctrl` + `↑ Shift` + `K` + `P`
General Code folding: Collapse all methods	`Ctrl` + `↑ Shift` + `K` + `M`
General Code folding: Collapse all classes	`Ctrl` + `↑ Shift` + `K` + `C`
General Code folding: Collapses down to primary Groups [Interface/Implementation]	`Ctrl` + `↑ Shift` + `K` + `G`
General Code folding: Collapses Namespace/Unit	`Ctrl` + `↑ Shift` + `K` + `N`
General Switch to the next open file in the editor	`Ctrl` + `⭾ Tab`
General Switch to the previous open file in the editor	`Ctrl` + `↑ Shift` + `⭾ Tab`
General Invokes print selection dialog	`Ctrl` + `K` + `P`
General Invokes Write block to file(selected text)	`Ctrl` + `K` + `W`
General Invokes Read block from file(inserts text at cursor)	`Ctrl` + `K` + `R`
General Copies selected text at the end of the selection	`Ctrl` + `K` + `C`
General Select word at cursor position	`Ctrl` + `K` + `T`
General Turns on block selection mode	`Ctrl` + `O` + `C`
General Selects current line (and turns off block selection mode)	`Ctrl` + `O` + `L`
General Toggles between limiting the Ctrl + Alt navigation shortcuts to the current class, or limiting it to the current unit	`Ctrl` + `Q` + `L`
General Go to next item of Messages window	`Ctrl` + `Q` + `W`
General Switches between source (.cpp) and header (.h)	`Ctrl` + `F6`
General Undo	`Alt` + `⬅ Backspace`
General Display Popup menu	`Alt` + `F10`
General Moves the cursor down one line and selects the column from the left of the starting cursor position	`Alt` + `↑ Shift` + `↓`
General Selects the column from the cursor position to the end of the current line	`Alt` + `↑ Shift` + `End`
General Selects the column from the cursor position to the start of the current line	`Alt` + `↑ Shift` + `Home`
General Selects the column to the left of the cursor	`Alt` + `↑ Shift` + `←`
General Moves the cursor down one line and selects the column from the right of the starting cursor position	`Alt` + `Shift` + `Page Down`
General Moves the cursor up one screen and selects the column from the left of the starting cursor position	`Alt` + `Shift` + `Page Up`
General Selects the column to the right of the cursor	`Alt` + `↑ Shift` + `→`
General Moves the cursor up one line and selects the column from the left of the starting cursor position	`Alt` + `↑ Shift` + `↑`
General Cut word under cursor / current selected block	`Alt` + `X`
General Copy word under Cursor / selected block	`Ctrl` + `C`
General Select all	`Ctrl` + `A`
General Delete the word to the beginning	`Ctrl` + `⬅ Backspace`
General Deletes a currently selected block	`Ctrl` + `D`
General Scrolls down one line	`Ctrl` + `↓`
General Moves to the end of a file	`Ctrl` + `End`
General Topic Search	`Ctrl` + `F1`
General Open Main Menu	`Ctrl` + `F10`
General Moves to the top of a file	`Ctrl` + `Home`
General Replace Dialog	`Ctrl` + `H`
General Inserts a tab character	`Ctrl` + `I`
General Copy selected Block	`Ctrl` + `Insert`
General Find again	`Ctrl` + `L`
General Moves one word left	`Ctrl` + `←`
General Insert new line (same as Enter)	`Ctrl` + `M`
General Insert new line after cursor (cursor stays in current line)	`Ctrl` + `N`
General Open file at cursor	`Ctrl` + `O` + `A`
General Browse symbol at cursor	`Ctrl` + `O` + `B`
General Inserts compiler options and directives	`Ctrl` + `O` + `O`
General Moves to the bottom of a screen	`Ctrl` + `Page Down`
General Moves to the top of a screen	`Ctrl` + `Page Up`
General Search Replace Dialog	`Ctrl` + `Q` + `A`
General Moves cursor to the beginning of a block	`Ctrl` + `Q` + `B`
General Moves cursor to end of a file	`Ctrl` + `Q` + `C`
General Moves cursor to the end of a line	`Ctrl` + `Q` + `D`
General Moves cursor to the top of the window	`Ctrl` + `Q` + `E`
General Search Find Dialog	`Ctrl` + `Q` + `F`
General Moves cursor to the end of a block	`Ctrl` + `Q` + `K`
General Moves cursor to previous position	`Ctrl` + `Q` + `P`
General Moves cursor to the beginning of a file	`Ctrl` + `Q` + `R`
General Moves cursor to the beginning of a line	`Ctrl` + `Q` + `S`
General Moves cursor to the top of the window	`Ctrl` + `Q` + `T`
General Moves cursor to the bottom of the window	`Ctrl` + `Q` + `U`
General Moves cursor to the bottom of the window	`Ctrl` + `Q` + `X`
General Deletes to the end of Line	`Ctrl` + `Q` + `Y`
General Replace Dialog	`Ctrl` + `R`
General Moves one word right	`Ctrl` + `→`
General Save	`Ctrl` + `S`
General Save All	`Ctrl` + `↑ Shift` + `S`
General Selects from the cursor position to the end of the current file	`Ctrl` + `↑ Shift` + `End`
General Selects from the cursor position to the start of the current file	`Ctrl` + `↑ Shift` + `Home`
General Selects the word to the left of the cursor	`Ctrl` + `↑ Shift` + `←`
General Selects from the cursor position to the bottom of the screen	`Ctrl` + `Shift` + `Page Down`
General Selects from the cursor position to the top of the screen	`Ctrl` + `Shift` + `Page Up`
General Selects the word to the right of the cursor	`Ctrl` + `↑ Shift` + `→`
General Redo	`Ctrl` + `↑ Shift` + `Z`
General Scrolls up one line	`Ctrl` + `↑`
General Paste	`Ctrl` + `V`
General Undo	`Ctrl` + `Z`
General Display Help	`F1`
General Find again	`F3`
General Insert Mode on / off	`Insert`
General Moves the cursor down one line and selects from the right of the starting cursor position.	`↑ Shift` + `↓`
General Selects from the cursor position to the end of the current line	`↑ Shift` + `End`
General Inserts a new line with a carriage return	`↑ Shift` + `⤶ Enter`
General Selects from the cursor position to the start of the current line	`↑ Shift` + `Home`
General Paste from clipboard	`↑ Shift` + `Insert`
General Selects the character to the left of the cursor	`↑ Shift` + `←`
General Moves the cursor down one line and selects from the right of the starting cursor position	`Shift` + `Page Down`
General Moves the cursor up one screen and selects from the left of the starting cursor position	`Shift` + `Page Up`
General Selects the character to the right of the cursor	`↑ Shift` + `→`
General Moves the cursor to the left one tab position	`↑ Shift` + `⭾ Tab`
General Moves the cursor up one line and selects from the left of the starting cursor position	`↑ Shift` + `↑`
General Selects the column from the cursor position to the end of the current file	`Ctrl` + `Alt` + `↑ Shift` + `End`
General Selects the column from the cursor position to the start of the current file	`Ctrl` + `Alt` + `↑ Shift` + `Home`
General Selects the column to the left of the cursor	`Ctrl` + `Alt` + `↑ Shift` + `←`
General Selects the column from the cursor position to the top of the screen	`Ctrl` + `Alt` + `Shift` + `Page Down`
General Selects the column from the cursor position to the bottom of the screen	`Ctrl` + `Alt` + `Shift` + `Page Up`
General Selects the column to the right of the cursor	`Ctrl` + `Alt` + `↑ Shift` + `→`
General Select editor window tab	`AltGr` + `F12`
General IDE Insight	`F6`
General IDE Insight	`Ctrl` + `.`