SendMessage

Library : user32.dll  Category : _CategoryNotSet

Api Example(s)

Add an horizontal scrollbar to a ListBox control

Change the width of the dropdown portion of a ComboBox

Cut, copy, and paste using API functions

Determine the current line in a multiline TextBox control

Dragging caption-less forms

Ensure that a TextBox caret is visible

Extended user interface for combo boxes

Get the handle of the edit portion of a ComboBox

Implement a MaxLength property for the ComboBox control

Incremental searches within list boxes

Open the list portion of a ComboBox control

Read and modify a TextBox control's formatting rectangle

Set tab stop positions for a multiline TextBox control

The first visible line in a multiline TextBox control

The number of lines in a multiline TextBox control

Undo changes in a TextBox control

Use a ListBox as a poor man's grid

Use DataChanged with unbound controls

Determine the number of visible items in a ListView control

Get full control on the text typed in a ListView's item

Get full control on the text typed in a TreeView's node

Get or Set the height of TreeView nodes

Limit the length of an item in a ListView control

Limit the length of the text in a TreeView node

Selecting an entire row in a ListView

Insert a picture into a RichTextBox control

Let the user add tab characters to a RichTextBox control

Hide the Automation Manager

Extract null-delimited strings

ArrayToListbox - Add an array of strings to a ListBox or ComboBox

ComboBoxGetDroppedControlRect - Get the size of a ComboBox dropped rectangle

DuplicateComboBox - Fast copy of the contents of a ComboBox control

DuplicateListBox - Fast copy of the contents of a ListBox control

GetListBoxSelectRange - Retrieve the index of all the selected items in a ListBox

GetListItemHeight - Return the height of a ListBox or ComboBox item

ListBoxFindString - Search an item in a ListBox or ComboBox control

ListBoxItemFromPoint - The index of a ListBox item at given coordinates

ListBoxSelectRange - Select or unselect a range of elements in a ListBox

ListBoxVisibleItems - The number of visible items in a ListBox control

SetListItemHeight - Change the height of items in a ListBox or ComboBox control

TextBoxGetLine - Return a single line in a multiline TextBox control

TextBoxGetLineColumn - Get caret position in a multiline TextBox control

TextBoxGetLines - Get an array with individual lines in a TextBox control

TextBoxScroll - Programmatically scroll a multi-line TextBox control

CTreeViewEdit - A class for enhanced treeview node editing

GetTreeViewFirstVisibleNode - Retrieve the first visible node in a TreeView

GetTreeViewNodeHandle - The handle of any node in a TreeView

GetTreeViewNodeRect - The bounding rectangle of a TreeView's node

GetTreeViewSelNodeHandle - The handle of a TrewView's selected node

ListViewScroll - Scroll a ListView control horizontally or vertically

ListViewVisibleItems - The number of visible elements in a ListView control

SetTreeViewBackColor - Change the background color of a TreeView control

SetTreeViewFirstVisibleNode - Set the first visible node in a TreeView control

SetRichTextBoxWordWrap - Set the WordWrap style of a RichTextBox control

Moving a Window Without a Titlebar

CloseDosWindow - Close a Ms-Dos console window

FillWindowsTree - Fill a treeview with the windows hierarchy

MinimizeAllWindows - Minimize and restore all windows

How to sort items on the fly as they are added in a ListView using SubClassing

Printing the contents of a picturebox, including (most) controls, to a printer

How to Print a Multiline TextBox with Alignment!

Registering File Associations and Passing Command Line Parameters to an Existing App Instance

Tile a Bitmap Into a TextBox Background

Change The Width of Items in a Listbox

Use .NET Forms as Popup Windows

Font ComboBox

Virtual ListBox

Adding an Icon or Control to a TextBox or ComboBox

Receiving and Using Clipboard Change Notifications

Presenting a Non-Selectable 'No Data' Picture in a ListBox

Disabling the Combo Edit Box

Simulating 'MaxLength' in a Combo's Edit Box

Duplicating List Contents to Another List or Combo Using SendMessage

Filling a Combo with Files, Directories and Drives

Changing Colours of a VB ProgressBar

Autosizing ListView Columns via API

Customizing the ListView's Appearance via API

Determining a ListView's Visible Item Count

How to Automatically Select (Track) a ListView Item

How to Add Checkboxes to a ListView

How to Change the ListView Header Style

How to Determine Selected ListItems

How to Determine Re-Ordered Column Positions in a ListView

How to Display Grid Lines in a ListView

How to Programmatically Select and Deselect All ListItems

How to Reorder ListView Columns Programmatically

How to Select the Entire Row in a ListView

Hooking the Open & Save Common Dialogs To Manipulate Components

A class to put a ProgressBar into a StatusBar

Setting Custom Paper Size using Printer API

How to Autosize ListView columns ?

How to disable form's Close button (X)?

How to set default printer programatically on Win 9x/NT ?

Move Form without title bar (2 different methods)

Redirect command line output to textbox using CreatePipe API

Realtime Clipboard viewer (Subclassing technique)

Working with Resource file

WMI : Retrive extended information about processor

How to retrive only visible items of treeview control?

CBalloonToolTipNotify: Class for System tray icon, Balloon tooltip, simple tooltip and Popup menu

How to get character index from cursor position in textbox/richtextbox control.