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48 API Function starting with letter I
Sort: Top 50 API | Top 50 Rated Rated API
InvertRgn
InvertRgn inverts the colors of all the pixels inside a region on a given device. The inverse of the pixels is calculated by doing a binary NOT operation on the RGB color value of each pixel. The function returns 0 if an error occured, or a non-zero value if successful. ...Hits: 1949 Rating:
(3.02) votes 616
Category: Device
IsDestinationReachable
Determines if the specified destination can be reached and provides Quality of Connection (QOC) information for the destination....Hits: 3146 Rating:
(3.05) votes 626
Category: Internet
IntersectRect
IntersectRect creates a rectangle based on the intersecting part of two other rectangles. The rectangular region where the two source rectangles overlap is the intersection rectangle. If one or both of the source rectangles are empty or there is no intersection, the function returns 0 and the lpDest...Hits: 2380 Rating:
(3.11) votes 675
Category: Rectangle
InvertRect
InvertRect inverts the image inside a rectangular area on a device. The inverted colors are calculated by taking the binary NOT of each pixel's RGB color value inside the rectangle. The function returns a non-zero value if successful, or 0 if an error occured....Hits: 1612 Rating:
(2.94) votes 554
Category: Rectangle
InitCommonControls
The InitCommonControls function ensures that the common control dynamic-link library (DLL) is loaded....Hits: 2342 Rating:
(2.75) votes 406
Category: Objects
ImageList_Draw
The ImageList_Draw function draws an image list item in the specified device context....Hits: 2039 Rating:
(2.94) votes 447
Category: ImageList
InitiateSystemShutdown
The InitiateSystemShutdown function initiates a shutdown and optional restart of the specified computer....Hits: 3560 Rating:
(3.08) votes 455
Category: System
InternetCloseHandle
Closes a single Internet handle or a subtree of Internet handles....Hits: 1903 Rating:
(2.91) votes 618
Category: Internet
InternetCombineUrl
Combines a base and relative URL into a single URL. The resultant URL will be canonicalized (see InternetCanonicalizeUrl)....Hits: 1955 Rating:
(3.09) votes 367
Category: Internet
IsTextUnicode
The IsTextUnicode function determines whether a buffer is likely to contain a form of Unicode text. The function uses various statistical and deterministic methods to make its determination, under the control of flags passed via lpi. When the function returns, the results of such tests are reported ...Hits: 3103 Rating:
(3.09) votes 512
Category: Text
InternetGetLastResponseInfo
Retrieves the last Microsoft® Win32® Internet function error description or server response on the thread calling this function....Hits: 4936 Rating:
(3.21) votes 544
Category: Internet
IntersectClipRect
The IntersectClipRect function creates a new clipping region from the intersection of the current clipping region and the specified rectangle....Hits: 1436 Rating:
(2.92) votes 299
Category: Rectangle
IsBadReadPtr
The IsBadReadPtr function verifies that the calling process has read access to the specified range of memory....Hits: 1244 Rating:
(3.01) votes 245
Category: Process
IsBadStringPtr
The IsBadStringPtr function verifies that the calling process has read access to a range of memory pointed to by a string pointer. ...Hits: 1559 Rating:
(2.90) votes 313
Category: Process
IsBadWritePtr
The IsBadWritePtr function verifies that the calling process has write access to the specified range of memory....Hits: 1251 Rating:
(2.96) votes 243
Category: Process
InternetGetConnectedStateEx
Retrieves the connected state of the specified Internet connection....Hits: 2326 Rating:
(3.09) votes 442
Category: Internet
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
Category: Window
ImageList_DrawEx
The ImageList_DrawEx function draws an image list item in the specified device context. The function uses the specified drawing style and blends the image with the specified color....Hits: 2366 Rating:
(2.75) votes 609
Category: ImageList
InitializeFlatSB
Initializes flat scroll bars for a particular window....Hits: 1464 Rating:
(3.05) votes 268
Category: ScroolBar
IsCharUpper
The IsCharUpper function determines whether a character is uppercase. This determination is based on the semantics of the language selected by the user during setup or by using Control Panel....Hits: 1495 Rating:
(3.04) votes 514
Category: Character