本文整理汇总了C#中NSMutableDictionary.ContainsKey方法的典型用法代码示例。如果您正苦于以下问题:C# NSMutableDictionary.ContainsKey方法的具体用法?C# NSMutableDictionary.ContainsKey怎么用?C# NSMutableDictionary.ContainsKey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NSMutableDictionary
的用法示例。
在下文中一共展示了NSMutableDictionary.ContainsKey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: SavePhotoWithLocationAsync
private async Task<NSUrl> SavePhotoWithLocationAsync(NSDictionary info)
{
var image = (UIImage)info[UIImagePickerController.EditedImage];
if (image == null)
image = (UIImage)info[UIImagePickerController.OriginalImage];
var metadata = info[UIImagePickerController.MediaMetadata] as NSDictionary;
var newMetadata = new NSMutableDictionary(metadata);
if (!newMetadata.ContainsKey(ImageIO.CGImageProperties.GPSDictionary))
{
var gpsData = await BuildGPSDataAsync();
if (gpsData != null)
newMetadata.Add(ImageIO.CGImageProperties.GPSDictionary, gpsData);
}
// save to camera roll with metadata
var assetUrlTCS = new TaskCompletionSource<NSUrl>();
using (var library = new ALAssetsLibrary())
{
library.WriteImageToSavedPhotosAlbum(image.CGImage, newMetadata, (newAssetUrl, error) =>
{
// any additional processing can go here
if (error == null)
assetUrlTCS.SetResult(newAssetUrl);
else
assetUrlTCS.SetException(new Exception(error.LocalizedFailureReason));
});
}
return await assetUrlTCS.Task;
}