IShellImageData::GetResolution method (shimgdata.h)
Gets the resolution, in dots per inch (dpi), of the image.
Syntax
HRESULT GetResolution(
[out] ULONG *puResolutionX,
[out] ULONG *puResolutionY
);
Parameters
[out] puResolutionX
Type: ULONG*
A pointer to the horizontal resolution.
[out] puResolutionY
Type: ULONG*
A pointer to the vertical resolution.
Return value
Type: HRESULT
Returns S_OK if successful or an error value otherwise, including the following:
| Return code | Description |
|---|---|
|
The image has not been decoded, the decode process failed, or the resolution cannot be retrieved. In the latter case, both puResolutionX and puResolutionY are set to 0. |
|
Both puResolutionX and puResolutionY are NULL. |
Remarks
If either puResolutionX or puResolutionY are NULL, the method returns only the value for the non-null parameter.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | shimgdata.h |
| DLL | Shell32.dll |