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39 Window API Function
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EnumChildWindows
EnumChildWindows enumerates and provides handles to all of the child windows of a given window. This function will also enumerate any children of the child windows. Each time a child window is located, the function passes that handle to a program-defined callback function (see below). The function c...Hits: 4018 Rating:
(2.99) votes 385
GetWindowPlacement
The GetWindowPlacement function retrieves the show state and the restored, minimized, and maximized positions of the specified window....Hits: 3539 Rating:
(3.03) votes 477
EnumThreadWindows
EnumThreadWindows enumerates and provides handles to all of the windows owned and controlled by a given thread. (Note that these windows include many windows not visible to the user.) Each time a window is located, the function passes that handle to a program-defined callback function (see below). T...Hits: 2321 Rating:
(3.00) votes 373
EnumWindows
EnumWindows enumerates and provides handles to all of the currently open top-level windows. This function will ignore child windows. (Note that the top-level windows include many windows not visible to the user.) Each time a window is located, the function passes that handle to a program-defined ca...Hits: 4407 Rating:
(2.99) votes 399
GetParent
GetParent returns the handle of the parent window of another window. For example, the parent of a button would normally be the form window it is in. If successful, the function returns a handle to the parent window. If it fails (for example, trying to find the parent of a non-window), it returns 0. ...Hits: 2656 Rating:
(2.96) votes 393
IsChild
The IsChild function tests whether a window is a child window or descendant window of a specified parent window. A child window is the direct descendant of a specified parent window if that parent window is in the chain of parent windows; the chain of parent windows leads from the original overlappe...Hits: 1834 Rating:
(3.06) votes 431
BeginDeferWindowPos
The BeginDeferWindowPos function allocates memory for a multiple-window- position structure and returns the handle to the structure....Hits: 1744 Rating:
(2.96) votes 365
CallWindowProc
The CallWindowProc function passes message information to the specified window procedure....Hits: 3058 Rating:
(3.06) votes 402
ClientToScreen
The ClientToScreen function converts the client coordinates of a specified point to screen coordinates....Hits: 3081 Rating:
(3.04) votes 556
DefMDIChildProc
The DefMDIChildProc function provides default processing for any window message that the window procedure of a multiple document interface (MDI) child window does not process. A window message not processed by the window procedure must be passed to the DefMDIChildProc function, not to the DefWindowP...Hits: 1615 Rating:
(2.90) votes 239
GetAncestor
The GetAncestor function retrieves the handle to the ancestor of the specified window....Hits: 1747 Rating:
(3.32) votes 226
GetVersion
The GetVersion function returns the current version number of Windows and information about the operating system platform....Hits: 1538 Rating:
(2.89) votes 169
WindowFromPoint
WindowFromPoint determines the handle of the window located at a specific point on the screen. Note that the active window could be a text box, list box, button, or some other object sitting inside a program window. In this case, the handle returned will be to this control and not the program window...Hits: 1745 Rating:
(2.84) votes 218
GetWindowRect
GetWindowRect reads the size and position of a window. This information is put into the variable passed as lpRect. The rectangle receives the coordinates of the upper-left and lower-right corners of the window. If the window is past one of the edges of the screen, the values will reflect that (for e...Hits: 3963 Rating:
(3.07) votes 512
GetWindowText
GetWindowText reads the text on the title bar of a window. This function works with any window, not just those in your application. The text is put into the string variable passed as lpString. The function returns the length of the string returned if successful, or 0 if an error occured. ...Hits: 5291 Rating:
(3.23) votes 189
FlashWindow
FlashWindow flashes a window one step. Flashing is where the title bar of the window is switched from an active to inactive look (or vice versa) to get the user's attention. Normally this is done multiple times, instead of just once. When you are done flashing, be sure to call the function again, th...Hits: 1989 Rating:
(2.99) votes 269
GetActiveWindow
GetActiveWindow returns a handle to your program's currently active window. This only works with windows created by your application -- in other words, it won't find the active window of other programs. If your program is in the background, the function will get the window that would be active if th...Hits: 3334 Rating:
(2.93) votes 252
IsIconic
IsIconic finds if a given window is minimized or not. The function returns 0 if the window is not minimized (it could be either restored or maximized); it returns a non-zero value if the window is minimized. ...Hits: 1678 Rating:
(2.97) votes 257
IsZoomed
IsZoomed finds if a given window is maximized or not. The function returns 0 if the window is not maximized (it could be either restored or minimized); it returns a non-zero value if the window is maximized. ...Hits: 1388 Rating:
(2.86) votes 176
IsWindowEnabled
IsWindowEnabled determines if a window is currently enabled or disabled. If a window is disabled, it cannot receive the focus and will ignore any attempted input. Many types of windows, such as buttons and other controls, will appear grayed when disabled. The function returns 0 if the window is disa...Hits: 1782 Rating:
(2.95) votes 204