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37 API Function starting with letter D
Sort: Top 50 API | Top 50 Rated Rated API
DdeConnect
The DdeConnect function establishes a conversation with a server application that supports the specified service name and topic name pair. If more than one such server exists, the system selects only one....Hits: 4587 Rating:
(3.19) votes 675
Category: DDE
DrawText
The DrawText function draws formatted text in the specified rectangle. It formats the text according to the specified method (expanding tabs, justifying characters, breaking lines, and so forth)....Hits: 7831 Rating:
(3.43) votes 1237
Category: Rectangle
DeleteObject
DeleteObject deletes an object after the program has finished using it. These objects include bitmaps, brushes, fonts, palettes, pens, and regions. Of course the object should never be deleted until it is no longer in use by any devices (see the example for a demonstration). Deleting the object free...Hits: 5311 Rating:
(3.70) votes 1441
Category: Objects
DrawEdge
The DrawEdge function draws one or more edges of rectangle....Hits: 4617 Rating:
(2.14) votes 1617
Category: Rectangle
DrawAnimatedRects
The DrawAnimatedRects function draws a wire-frame rectangle and animates it to indicate the opening of an icon or the minimizing or maximizing of a window....Hits: 4137 Rating:
(3.34) votes 2506
Category: Rectangle
DeleteUrlCacheEntry
Removes the file associated with the source name from the cache, if the file exists....Hits: 7908 Rating:
(3.14) votes 955
Category: Internet
DdeUninitialize
The DdeUninitialize function frees all Dynamic Data Exchange Management Library (DDEML) resources associated with the calling application....Hits: 3947 Rating:
(2.99) votes 876
Category: DDE
DdeNameService
The DdeNameService function registers or unregisters the service names a dynamic data exchange (DDE) server supports. This function causes the system to send XTYP_REGISTER or XTYP_UNREGISTER transactions to other running Dynamic Data Exchange Management Library (DDEML) client applications....Hits: 3218 Rating:
(2.87) votes 541
Category: DDE
DeleteDC
DeleteDC destroys a device context (DC) which was created by CreateDC. Your program should delete a device context once it has finished using it in order to conserve resources. Do not use this function to close a device context gotten from GetDC -- for those, use ReleaseDC instead. ...Hits: 3713 Rating:
(3.16) votes 659
Category: Device
DispatchMessage
The DispatchMessage function dispatches a message to a window procedure. It is typically used to dispatch a message retrieved by the GetMessage function....Hits: 4107 Rating:
(2.92) votes 471
Category: System
DrawFrameControl
The DrawFrameControl function draws a frame control of the specified type and style....Hits: 3967 Rating:
(3.33) votes 837
Category: Rectangle
DrawState
The DrawState function displays an image and applies a visual effect to indicate a state, such as a disabled or default state....Hits: 4162 Rating:
(3.47) votes 1182
Category: Bitmap
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: 2803 Rating:
(2.94) votes 338
Category: Window
DdeInitialize
The DdeInitialize function registers an application with the Dynamic Data Exchange Management Library (DDEML). An application must call this function before calling any other DDEML function....Hits: 4877 Rating:
(2.96) votes 497
Category: DDE
DdeFreeStringHandle
The DdeFreeStringHandle function frees a string handle in the calling application....Hits: 2766 Rating:
(2.81) votes 510
Category: DDE
DeviceIoControl
The DeviceIoControl function sends a control code directly to a specified device driver, causing the corresponding device to perform the corresponding operation....Hits: 10991 Rating:
(2.13) votes 1304
Category: Device
DeviceCapabilities
The DeviceCapabilities function retrieves the capabilities of a printer device driver....Hits: 7328 Rating:
(2.54) votes 2061
Category: Printer
DllRegisterServer
The DllRegisterServer function adds entries associated with a Cluster Administrator extension DLL to the system registry. Client-side registration must be done on each machine on which the Cluster Administrator program is executed....Hits: 7172 Rating:
(2.49) votes 2492
Category: DLL
DEVMODE Structure
DEVMODE-type variables store information about various settings and properties of a device, such as a printer. Some of the properties only apply to certain devices; for example, the dmDisplayFrequency has no meaning for a printer. Look at the dmFields member to determine which of the structure's mem...Hits: 6576 Rating:
(2.90) votes 294
Category: Device
DEVNAMES Structure
DEVNAMES-type variables store some information about a device. This information includes the device driver name, the device name, and the names of any output ports it uses. Note that instead of storing strings in the usual way, this structure puts all three strings into extra, where null characters ...Hits: 4626 Rating:
(3.32) votes 2012
Category: Device