ClemensFischer/XAML-Map-Control
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Version 4.12.2 Updated MapImages and MBTiles

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This commit is contained in:
ClemensF 2019-07-17 17:56:46 +02:00
parent f74d700006
commit a25cc91c2f
9 changed files with 103 additions and 208 deletions
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24
MBTiles/Shared/MBTileData.cs
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@ -25,9 +25,19 @@ namespace MapControl.MBTiles
connection = new SQLiteConnection("Data Source=" + Path.GetFullPath(file));
}
public Task OpenAsync()
public async Task OpenAsync()
{
return connection.OpenAsync();
await connection.OpenAsync();
using (var command = new SQLiteCommand("create table if not exists metadata (name string, value string)", connection))
{
await command.ExecuteNonQueryAsync();
}
using (var command = new SQLiteCommand("create table if not exists tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob)", connection))
{
await command.ExecuteNonQueryAsync();
}
}
public void Close()
@ -68,11 +78,6 @@ namespace MapControl.MBTiles
{
try
{
using (var command = new SQLiteCommand("create table if not exists metadata (name string, value string)", connection))
{
await command.ExecuteNonQueryAsync();
}
using (var command = new SQLiteCommand("insert or replace into metadata (name, value) values (@n, @v)", connection))
{
foreach (var keyValue in metadata)
@ -117,11 +122,6 @@ namespace MapControl.MBTiles
{
try
{
using (var command = new SQLiteCommand("create table if not exists tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob)", connection))
{
await command.ExecuteNonQueryAsync();
}
using (var command = new SQLiteCommand("insert or replace into tiles (zoom_level, tile_column, tile_row, tile_data) values (@z, @x, @y, @b)", connection))
{
command.Parameters.AddWithValue("@z", zoomLevel);