Anteckning
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Retrieves a substring from the specified string. The substring starts at the specified character position.
Syntax
HRESULT WindowsSubstring(
HSTRING string,
UINT32 startIndex,
HSTRING *newString
);
Parameters
string
Type: [in] HSTRING
The original string.
startIndex
Type: [in] UINT32
The zero-based starting character position of a substring in this instance.
newString
Type: [out] HSTRING*
A string that is equivalent to the substring that begins at startIndex in string, or NULL if startIndex is equal to the length of string.
Return value
Type: HRESULT
This function can return one of these values.
| Return code | Description |
|---|---|
|
The substring was created successfully. |
|
newString is NULL. |
|
startIndex is greater than the length of string. |
|
Failed to allocate the new substring. |
Remarks
Each call to the WindowsSubstring function must be matched with a corresponding call to WindowsDeleteString.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2012 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | winstring.h |
| Library | mincore.lib |