本文整理汇总了C#中PropVariant.Dispose方法的典型用法代码示例。如果您正苦于以下问题：C# PropVariant.Dispose方法的具体用法？C# PropVariant.Dispose怎么用？C# PropVariant.Dispose使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PropVariant的用法示例。
在下文中一共展示了PropVariant.Dispose方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: WndProc
//.........这里部分代码省略.........
}
nmlv.item.pszText = val.Trim();
} else {
var temp = currentItem;
var isi2 = (IShellItem2)temp.ComInterface;
var guid = new Guid(InterfaceGuids.IPropertyStore);
IPropertyStore propStore = null;
isi2.GetPropertyStore(GetPropertyStoreOptions.FastPropertiesOnly, ref guid, out propStore);
PROPERTYKEY pk = currentCollumn.pkey;
var pvar = new PropVariant();
if (propStore != null && propStore.GetValue(ref pk, pvar) == HResult.S_OK) {
if (pvar.Value == null) {
if (this.IconSize == 16) {
this.SmallImageList.EnqueueSubitemsGet(Tuple.Create(nmlv.item.iItem, nmlv.item.iSubItem, pk));
} else {
this.LargeImageList.EnqueueSubitemsGet(Tuple.Create(nmlv.item.iItem, nmlv.item.iSubItem, pk));
}
} else {
var val = String.Empty;
if (currentCollumn.CollumnType == typeof(DateTime))
val = ((DateTime)pvar.Value).ToString(Thread.CurrentThread.CurrentUICulture);
else if (currentCollumn.CollumnType == typeof(Int64))
val =
$"{Math.Ceiling(Convert.ToDouble(pvar.Value.ToString()) / 1024):# ### ### ##0} KB";
else if (currentCollumn.CollumnType == typeof(PerceivedType))
val = ((PerceivedType)pvar.Value).ToString();
else if (currentCollumn.CollumnType == typeof(FileAttributes))
val = this.GetFilePropertiesString(pvar.Value);
else
val = pvar.Value.ToString();
nmlv.item.pszText = val.Trim();
pvar.Dispose();
}
}
}
}
Marshal.StructureToPtr(nmlv, m.LParam, false);
}
}
if ((nmlv.item.mask & LVIF.LVIF_COLUMNS) == LVIF.LVIF_COLUMNS && this.CurrentFolder?.ParsingName.Equals(KnownFolders.Computer.ParsingName) == false) {
int[] columns = null;
var refGuidPDL = typeof(IPropertyDescriptionList).GUID;
var refGuidPD = typeof(IPropertyDescription).GUID;
var iShellItem2 = (IShellItem2)currentItem.ComInterface;
var ptrPDL = IntPtr.Zero;
iShellItem2.GetPropertyDescriptionList(SpecialProperties.PropListTileInfo, ref refGuidPDL,
out ptrPDL);
IPropertyDescriptionList propertyDescriptionList = (IPropertyDescriptionList)Marshal.GetObjectForIUnknown(ptrPDL);
var descriptionsCount = 0u;
propertyDescriptionList.GetCount(out descriptionsCount);
nmlv.item.cColumns = (int)descriptionsCount;
columns = new int[nmlv.item.cColumns];
Marshal.Copy(nmlv.item.puColumns, columns, 0, nmlv.item.cColumns);
for (uint i = 0; i < descriptionsCount; i++) {
IPropertyDescription propertyDescription = null;
propertyDescriptionList.GetAt(i, ref refGuidPD, out propertyDescription);
PROPERTYKEY pkey;
propertyDescription.GetPropertyKey(out pkey);
Collumns column = null;
if (this.AllAvailableColumns.TryGetValue(pkey, out column)) {
columns[i] = column.Index;